Chesley Taft & Associates LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed April 16, 2024), Chesley Taft & Associates LLC reported 311 stock positions worth $2.0 billion. Its top holding was Microsoft (MSFT) at 5.2% of the portfolio, followed by Alphabet Class C (GOOG, 3.7%) and Apple (AAPL, 2.9%). Compared with Q4 2023, it opened 15 new positions, sold out of 5, added to 95 and reduced 130. The biggest buy was AutoZone (AZO, shares +293%) and the biggest sale Apple (AAPL, shares −7%).

Most Recent 13F
Q2 2026
Location
CHICAGO, IL
CIK
0001164632
Portfolio Value
$2.0B (Q1 2024)
SEC Filing
0001085146-24-001808 ↗ filed Apr 16, 2024

Holdings Value

0$1.0B$2.0B$3.0B Q1 2024: $2.0B $2.0B Q1 2024 Q2 2024: $2.0B Q2 2024 Q3 2024: $2.1B Q3 2024 Q4 2024: $2.2B Q4 2024 Q1 2025: $2.1B Q1 2025 Q2 2025: $2.2B Q2 2025 Q3 2025: $2.4B Q3 2025 Q4 2025: $2.5B Q4 2025 Q1 2026: $2.4B Q1 2026 Q2 2026: $2.6B Q2 2026

Holdings 311 stocks · $2.0B

MSFT Microsoft Corp. 5.18% 240,796 $101.3M Reduce -0.6%
GOOG Alphabet Inc. Class C 3.73% 479,093 $72.9M Reduce -0.0%
AAPL Apple Inc. 2.86% 325,971 $55.9M Reduce -7.3%
COST Costco Wholesale Corp. 2.78% 74,215 $54.4M Reduce -2.1%
SYK Stryker Corp. 2.74% 149,644 $53.6M Reduce -0.6%
AVGO Broadcom Inc. 2.44% 35,948 $47.6M Reduce -4.0%
AMZN Amazon.com Inc. 2.33% 252,363 $45.5M Reduce -0.6%
NVDA Nvidia Corp. 2.16% 46,680 $42.2M Reduce -0.1%
PEP Pepsico Inc. 2.15% 240,739 $42.1M Add +0.2%
JPM JPMorgan Chase & Co. 2.09% 203,917 $40.8M Reduce -0.1%
IJH iShares Core S&P Midcap ETF 2.03% 654,621 $39.8M Add +22.2%
IJR iShares Core S&P Small-Cap E 2.01% 355,176 $39.3M Add +0.4%
V Visa Inc. Class A 1.89% 132,704 $37.0M Reduce -3.6%
JNJ Johnson & Johnson 1.69% 208,555 $33.0M Add +0.2%
ACN Accenture PLC Class A 1.64% 92,623 $32.1M Reduce -1.9%
SPY SS SPDR S&P 500 ETF Trust-US 1.63% 60,896 $31.9M Reduce -0.7%
HON Honeywell International Inc. 1.46% 139,434 $28.6M Reduce -0.5%
UNH Unitedhealth Group Inc. 1.46% 57,799 $28.6M Reduce -1.1%
ABT Abbott Laboratories 1.38% 237,290 $27.0M Reduce -0.1%
MA Mastercard Inc. Class A 1.36% 55,039 $26.5M Reduce -5.9%
DIS The Walt Disney Co. filed as DISNEY WALT CO 1.32% 211,006 $25.8M Add +4.2%
PANW Palo Alto Networks Inc. 1.30% 89,339 $25.4M Add +16.7%
HD Home Depot Inc. 1.22% 62,127 $23.8M Reduce -9.0%
ITW Illinois Tool Works 1.22% 88,768 $23.8M Reduce -0.4%
TMO Thermo Fisher Scientific Inc. 1.17% 39,459 $22.9M Add +0.1%
IXUS iShares Core Intl Stock ETF 1.14% 329,684 $22.4M Reduce -0.3%
ORCL Oracle Corp. 1.12% 173,959 $21.9M Add +7.1%
GLD SPDR Gold Shares 1.11% 105,477 $21.7M Reduce -1.0%
AXP American Express Co. 1.10% 94,555 $21.5M Reduce -0.2%
VEU Vanguard Ftse All-World Ex-U 1.06% 354,415 $20.8M Reduce -1.1%
DHR Danaher Corp. 0.98% 77,071 $19.2M Add +1.2%
ADBE Adobe Inc. 0.98% 37,944 $19.1M Add +9.5%
GOOGL Alphabet Inc. Class A 0.93% 121,060 $18.3M Add +0.5%
MUB iShares National Muni Bond E 0.93% 168,386 $18.1M Add +11.3%
WM Waste Management Inc. 0.91% 83,308 $17.8M Add +0.5%
META Meta Platforms Inc. Class A 0.90% 36,227 $17.6M Reduce -1.2%
LLY Eli Lilly & Co. 0.85% 21,390 $16.6M Reduce -0.6%
COR Cencora Inc. 0.84% 67,383 $16.4M Reduce -0.1%
AZO AutoZone Inc. 0.83% 5,125 $16.2M Add +293.0%
KO The Coca-Cola Co. 0.82% 262,536 $16.1M Add +14.4%
CRM Salesforce Inc. 0.75% 48,479 $14.6M Reduce -2.1%
XOM Exxon Mobil Corp. 0.75% 125,578 $14.6M Reduce -1.6%
IVV iShares Core S&P 500 ETF 0.72% 26,754 $14.1M Reduce -5.0%
UNP Union Pacific Corp. 0.64% 50,990 $12.5M Reduce -0.3%
APH Amphenol Corp. Class A 0.63% 107,302 $12.4M Reduce -5.8%
APD Air Products & Chemicals Inc. 0.63% 50,800 $12.3M Reduce -4.3%
XLF SS Financial Select Sector 0.60% 279,834 $11.8M Reduce -1.5%
BX Blackstone Inc. 0.60% 89,072 $11.7M Add +17.6%
ICE Intercontinental Exchange Inc. 0.59% 84,076 $11.6M Reduce -0.1%
VEA Vanguard Ftse Developed ETF 0.55% 215,244 $10.8M Add +1.5%
AGG iShares Core U.S. Aggregate 0.53% 106,608 $10.4M Reduce -0.5%
EFA iShares MSCI Eafe ETF 0.52% 127,621 $10.2M Reduce -0.6%
ZTS Zoetis Inc. 0.52% 60,059 $10.2M Add +0.8%
FISV Fiserv Inc. 0.50% 60,907 $9.7M Add +0.7%
ECL Ecolab Inc. 0.49% 41,160 $9.5M Reduce -0.3%
CHD Church & Dwight Co. Inc. 0.48% 90,349 $9.4M Add +1.3%
WTW Willis Towers Watson PLC 0.48% 34,137 $9.4M Add +7.6%
MCD McDonald's Corp. 0.43% 29,912 $8.4M Reduce -0.4%
NEE Nextera Energy Inc. 0.43% 131,161 $8.4M Add +2.7%
VTI VG Morningstar TS MKT ETF-US 0.41% 31,049 $8.1M Reduce -3.9%
MRK Merck & Co. Inc. 0.41% 60,822 $8.0M Add +11.4%
WFC Wells Fargo & Co. 0.39% 132,590 $7.7M Add +3.5%
RTX RTX Corp. 0.39% 78,703 $7.7M Add +143.6%
MDY State Street SPDR S&P Midcap 0.39% 13,680 $7.6M Reduce -0.3%
VO Vngrd Mrngstr MD-Cap ETF-Usd 0.38% 29,905 $7.5M Add +2.0%
NTRS Northern Trust Corp. 0.38% 83,353 $7.4M Add +0.1%
VB Vanguard Most SM-Cap ETF-Usd 0.37% 31,874 $7.3M Add +1.4%
PG The Procter & Gamble Co. 0.37% 44,905 $7.3M Add +0.1%
GWW WW Grainger Inc. filed as GRAINGER W W INC 0.36% 6,927 $7.0M Add +12.2%
SBUX Starbucks Corp. 0.35% 74,206 $6.8M Add +0.7%
FTV Fortive Corp. 0.35% 78,478 $6.8M Add +1.3%
TSCO Tractor Supply Company 0.31% 23,299 $6.1M Add +2.4%
WY Weyerhaeuser Co. 0.31% 169,097 $6.1M Reduce -1.3%
SYY Sysco Corp. 0.30% 72,775 $5.9M Reduce -2.5%
FLOT iShares Floating Rate Bond E 0.30% 113,850 $5.8M Add +13.7%
CVX Chevron Corp. 0.29% 36,191 $5.7M Reduce -0.5%
AMGN Amgen Inc. 0.28% 18,965 $5.4M Add +3.2%
LOW Lowe's Cos Inc. 0.26% 20,316 $5.2M Reduce -0.3%
TFC Truist Financial Corp. 0.25% 124,116 $4.8M Add +1.6%
SPGI S&P Global Inc. 0.24% 11,235 $4.8M Add +2.3%
INTU Intuit Inc. 0.24% 7,300 $4.7M Reduce -1.1%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.24% 46,578 $4.7M Reduce -1.6%
SHW The Sherwin-Williams Co. 0.24% 13,474 $4.7M Reduce -6.2%
LIN Linde PLC 0.23% 9,723 $4.5M Reduce -9.9%
OKE Oneok Inc. 0.23% 56,079 $4.5M Add +0.1%
IBB iShares Biotechnology ETF 0.23% 32,559 $4.5M Add +0.9%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.23% 117,817 $4.5M Reduce -6.1%
BLK BlackRock Finance Inc. 0.23% 5,282 $4.4M Add +0.2%
ADP Automatic Data Processing 0.22% 17,581 $4.4M Add +1.0%
TMUS T-Mobile US Inc. 0.22% 26,783 $4.4M Add +0.4%
ALC Alcon Inc. filed as ALCON AG 0.22% 50,955 $4.2M Reduce -8.9%
IGSB iShares 1-5Y Inv Grade Corp. 0.22% 82,532 $4.2M Reduce -7.9%
PFE Pfizer Inc. 0.21% 151,226 $4.2M Reduce -2.7%
ROP Roper Technologies Inc. 0.21% 7,265 $4.1M Add +0.8%
VTV Vanguard Mrngstr Val ETF-Aui 0.20% 24,544 $4.0M Reduce -0.8%
ABBV Abbvie Inc. 0.20% 20,938 $3.8M Add +1.1%
AON Aon PLC Class A 0.19% 11,356 $3.8M Reduce -1.1%
EMR Emerson Electric Co. 0.19% 33,256 $3.8M Add +3.7%
PGR Progressive Corp. 0.19% 18,080 $3.7M Reduce -2.6%
SHM SS SPDR N Ice St Muni ETF 0.19% 78,684 $3.7M Reduce -8.9%

Show all 311 holdings

Portfolio Sells Q4 2023 → Q1 2024

AAPL Apple Inc. Reduce -7.3% 2.86% −0.94
UNH Unitedhealth Group Inc. Reduce -1.1% 1.46% −0.26
ACN Accenture PLC Class A Reduce -1.9% 1.64% −0.22
APD Air Products & Chemicals Inc. Reduce -4.3% 0.63% −0.19
HON Honeywell International Inc. Reduce -0.5% 1.46% −0.19
CVS CVS Health Corp. Reduce -78.5% 0.03% −0.12
EPD Enterprise Products Partners Reduce -83.6% 0.02% −0.12
V Visa Inc. Class A Reduce -3.6% 1.89% −0.12
HD Home Depot Inc. Reduce -9.0% 1.22% −0.11
ITW Illinois Tool Works Reduce -0.4% 1.22% −0.09
ABT Abbott Laboratories Reduce -0.1% 1.38% −0.09
BHP BHP Group Ltd.-Spon ADR Sold out 0.00% −0.07
MCD McDonald's Corp. Reduce -0.4% 0.43% −0.07
AWK American Water Works Co. Inc. Sold out 0.00% −0.07
VEU Vanguard Ftse All-World Ex-U Reduce -1.1% 1.06% −0.07
UNP Union Pacific Corp. Reduce -0.3% 0.64% −0.06
AGG iShares Core U.S. Aggregate Reduce -0.5% 0.53% −0.06
IXUS iShares Core Intl Stock ETF Reduce -0.3% 1.14% −0.06
GOOG Alphabet Inc. Class C Reduce -0.0% 3.73% −0.06
GIS General Mills Inc. Reduce -39.0% 0.08% −0.06
ET Energy Transfer LP Reduce -41.4% 0.08% −0.05
ICSH iShares Ultra Short Duration Reduce -25.1% 0.10% −0.05
TXN Texas Instruments Inc. Reduce -21.9% 0.12% −0.05
MA Mastercard Inc. Class A Reduce -5.9% 1.36% −0.04
IGSB iShares 1-5Y Inv Grade Corp. Reduce -7.9% 0.22% −0.04
SHM SS SPDR N Ice St Muni ETF Reduce -8.9% 0.19% −0.04
SHY iShares 1-3 Year Treasury Bo Reduce -14.3% 0.14% −0.04
PFE Pfizer Inc. Reduce -2.7% 0.21% −0.04
IVV iShares Core S&P 500 ETF Reduce -5.0% 0.72% −0.04
APTV Aptiv Irish Holdings Ltd. Reduce -0.3% 0.14% −0.03
GLD SPDR Gold Shares Reduce -1.0% 1.11% −0.03
SLV iShares Silver Trust Reduce -44.4% 0.04% −0.03
COST Costco Wholesale Corp. Reduce -2.1% 2.78% −0.03
ALC Alcon Inc. Reduce -8.9% 0.22% −0.03
NVS Novartis AG-Sponsored ADR Reduce -1.1% 0.16% −0.03
WY Weyerhaeuser Co. Reduce -1.3% 0.31% −0.02
VTIP Vanguard Short-Term Tips Reduce -10.4% 0.11% −0.02
XIFR XPLR Infrastructure LP Sold out 0.00% −0.02
BSCO Invesco Bulletshares 2024 CB Reduce -47.0% 0.02% −0.02
EFA iShares MSCI Eafe ETF Reduce -0.6% 0.52% −0.02
CMS CMS Energy Corp. Reduce -28.9% 0.04% −0.02
CZR Caesars Entertainment Inc. Reduce -14.3% 0.05% −0.02
VLTO Veralto Corp. Reduce -42.7% 0.02% −0.02
LIN Linde PLC Reduce -9.9% 0.23% −0.02
CTSH Cognizant Tech Solutions-A Reduce -3.7% 0.10% −0.02
FLO Flowers Foods Inc. Sold out 0.00% −0.02
BA The Boeing Co. Sold out 0.00% −0.02
VTI VG Morningstar TS MKT ETF-US Reduce -3.9% 0.41% −0.02
FLRN SS SPDR BB Ig Float RT ETF Reduce -16.2% 0.06% −0.02
INTU Intuit Inc. Reduce -1.1% 0.24% −0.02

Portfolio Buys Q4 2023 → Q1 2024

AZO AutoZone Inc. Add +293.0% 0.83% +0.64
IJH iShares Core S&P Midcap ETF Add +22.2% 2.03% +0.37
DIS The Walt Disney Co. Add +4.2% 1.32% +0.29
RTX RTX Corp. Add +143.6% 0.39% +0.24
ORCL Oracle Corp. Add +7.1% 1.12% +0.16
ETN Eaton Corp. PLC New 0.14% +0.14
TDG Transdigm Group Inc. New 0.10% +0.10
MRK Merck & Co. Inc. Add +11.4% 0.41% +0.08
WM Waste Management Inc. Add +0.5% 0.91% +0.08
GWW WW Grainger Inc. Add +12.2% 0.36% +0.07
KO The Coca-Cola Co. Add +14.4% 0.82% +0.06
NBIX Neurocrine Biosciences Inc. New 0.05% +0.05
WTW Willis Towers Watson PLC Add +7.6% 0.48% +0.05
FISV Fiserv Inc. Add +0.7% 0.50% +0.05
BX Blackstone Inc. Add +17.6% 0.60% +0.04
WFC Wells Fargo & Co. Add +3.5% 0.39% +0.04
TSCO Tractor Supply Company Add +2.4% 0.31% +0.04
IBM Intl Business Machines Corp. Add +16.3% 0.17% +0.03
PANW Palo Alto Networks Inc. Add +16.7% 1.30% +0.03
FNF Fidelity National Financial New 0.03% +0.03
IBDU iShares Ibonds Dec 2029 Term New 0.03% +0.03
OMC Omnicom Group Add +35.0% 0.10% +0.03
FTV Fortive Corp. Add +1.3% 0.35% +0.03
HRB H&R Block Inc. New 0.02% +0.02
EWJ iShares MSCI Japan ETF Add +60.4% 0.05% +0.02
EW Edwards Lifesciences Corp. Add +0.6% 0.15% +0.02
JMUB JPMorgan Municipal ETF New 0.02% +0.02
EMR Emerson Electric Co. Add +3.7% 0.19% +0.02
IBDT iShares Ibonds Dec 2028 ETF Add +59.5% 0.05% +0.02
CMF iShares California Muni Bond New 0.01% +0.01
ABBV Abbvie Inc. Add +1.1% 0.20% +0.01
CSL Carlisle Cos Inc. Add +2.9% 0.10% +0.01
SLQD iShares 0-5 YR Inv GRD Corp. New 0.01% +0.01
IXC iShares Global Energy ETF Add +35.1% 0.05% +0.01
JBLU Jetblue Airways Corp. New 0.01% +0.01
FLOT iShares Floating Rate Bond E Add +13.7% 0.30% +0.01
IBDV iShares Ibonds Dec 2030 Corp. New 0.01% +0.01
TRGP Targa Resources Corp. New 0.01% +0.01
WMT Walmart Inc. New 0.01% +0.01
OEF iShares S&P 100 ETF New 0.01% +0.01
CBT Cabot Corp. New 0.01% +0.01
D Dominion Energy Inc. Add +42.6% 0.04% +0.01
OKE Oneok Inc. Add +0.1% 0.23% +0.01
IBDR iShares Ibonds Dec 2026 Term Add +25.8% 0.07% +0.01
ITOT iShares Core S&P Total U.S. Add +38.1% 0.03% +0.01
TER Teradyne Inc. Add +18.6% 0.08% +0.01
CHD Church & Dwight Co. Inc. Add +1.3% 0.48% +0.01
RRX Regal Rexnord Corp. Add +0.8% 0.07% +0.01
GPK Graphic Packaging Holding Co. Add +0.3% 0.10% +0.01
FBND Fidelity Total Bond ETF Add +23.3% 0.08% +0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 369$2.6BGOOG, NVDA, AAPL, AMZN, MSFT
Q1 2026 370$2.4BGOOG, MSFT, NVDA, AAPL, AMZN
Q4 2025 371$2.5BGOOG, MSFT, NVDA, AVGO, AAPL
Q3 2025 348$2.4BMSFT, GOOG, NVDA, AVGO, AAPL
Q2 2025 334$2.2BMSFT, GOOG, AVGO, NVDA, AMZN
Q1 2025 330$2.1BMSFT, GOOG, AAPL, COST, SYK
Q4 2024 326$2.2BMSFT, GOOG, AVGO, AAPL, COST
Q3 2024 323$2.1BMSFT, GOOG, AAPL, COST, AVGO
Q2 2024 309$2.0BMSFT, GOOG, AAPL, COST, NVDA
Q1 2024 311$2.0BMSFT, GOOG, AAPL, COST, SYK